/*
 * Copyright 2019-2024 JetLinks Community
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.universal.core.metadata.unit;

import cn.universal.core.metadata.FormatSupport;
import cn.universal.core.metadata.Metadata;
import java.io.Serializable;
import java.util.Map;

/**
 * 值单位
 *
 * @version 1.0
 */
public interface ValueUnit extends Metadata, FormatSupport, Serializable {

  String getSymbol();

  @Override
  default Map<String, Object> getExpands() {
    return null;
  }
}
